AI-Generated Doujinshi Found Slipped Into Comiket, Opinions Split Over Whether It’s a Problem

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It emerged that a doujinshi apparently generated with AI had slipped into the Comic Market, sparking an ongoing debate on 5ch’s hardware/industry (Geha) board over “why exactly is AI generation bad?” Some argued there’s no problem as long as buyers can’t tell the difference, while others raised copyright concerns — and plenty of posters pointed out that the game industry already relies heavily on AI. Criticism was widespread for creators who falsely marketed their work as hand-drawn, but opinions on the use of AI itself stayed divided right to the end.

3Anonymous2026/08/24(月) 12:10:36.93ID:qX9zDgzeM
If you can't tell the difference, isn't that fine? 🥺
13Anonymous2026/08/24(月) 12:20:03.20ID:4e0EmcGw0
>>3
It's not like people are inspecting the art before buying, so it can't be helped.
52Anonymous2026/08/24(月) 12:50:12.39ID:3u3NEckHa
Games, anime, and manga fans are all anti-AI, right?
Doujin culture is done for — if using AI counts as copyright infringement.
56Anonymous2026/08/24(月) 12:52:05.79ID:4B0RXGFU0
>>52
Hand-drawn or not, the moment you go beyond prints and start selling digital copies or merch,
it's basically a crime lol. Well, it's only prosecuted if someone files a complaint.
58Anonymous2026/08/24(月) 12:52:55.66ID:fx4U0tzM0
>>52
The game industry is anti-AI?
When they're already using it everywhere????
55Anonymous2026/08/24(月) 12:51:55.87ID:2qbOZgvk0
"Passion" is just a nice-sounding excuse — at the end of the day they're ripping stuff off to make money.
The only ones allowed to complain are original creators whose characters get used without permission.
79Anonymous2026/08/24(月) 12:58:40.34ID:Rg8p4kT20
>>55
The scary part is that those complaints are exactly what's coming.
59Anonymous2026/08/24(月) 12:52:55.60ID:91HsHl1L0
I doubt the original creators are drawing the line at "manual copying is fine but AI is not" lol
61Anonymous2026/08/24(月) 12:54:05.76ID:FciDDTT50
>>59
For some reason the doujin side seems to think it's fine as long as it's hand-drawn.
75Anonymous2026/08/24(月) 12:58:12.77ID:ycJoFISB0
>>59
AI's production speed is on a totally different level, so I bet people want to draw a distinction there.
Well, there's no real way to tell the difference, so nothing can be done about it.
60Anonymous2026/08/24(月) 12:53:39.95ID:91HsHl1L0
>>58
That's dumb.
There's basically no other industry that has to nervously explain its AI use to customers like this lol
62Anonymous2026/08/24(月) 12:54:27.39ID:fx4U0tzM0
>>60
Nervously?
What are you talking about?
68Anonymous2026/08/24(月) 12:55:56.88ID:91HsHl1L0
>>62
Honestly, game developers probably don't even understand why customers are angry.
I don't get why people are this mad about AI either.
70Anonymous2026/08/24(月) 12:56:36.89ID:fx4U0tzM0
>>68
What are you talking about, they use AI like crazy during development???
What decade do you think this is?
71Anonymous2026/08/24(月) 12:56:57.66ID:oaJbgCcS0
>>68
Even the people who are angry don't actually know why they're angry.
81Anonymous2026/08/24(月) 13:01:01.27ID:91HsHl1L0
>>77
Go ask about other industries too lol.
You'll see how hard it is to explain things when the customers are clueless.
84Anonymous2026/08/24(月) 13:02:59.43ID:Z50hPcHY0
>>81
Every industry uses AI these days…
Did you seriously just time-travel here from the past?
86Anonymous2026/08/24(月) 13:03:41.25ID:qzT+3gjG0
>>81
I figure they're training it on customers' personal data
and using it to pummel any customer they don't like.
Can't have decent intentions behind that.

That's the lens I view that whole "controversy emblem" thing through —
maybe I'm just being fooled though.
98Anonymous2026/08/24(月) 13:10:26.54ID:uJPMP3lD0
>>92
Feels like programmers are actually the ones who'll be affected more, honestly.

Well, but craftsmen losing work to automation has always happened —
this time it just happens to include illustrators too.
99Anonymous2026/08/24(月) 13:11:12.92ID:T7ehuXc50
>>98
Simple software can already be built with zero programming knowledge these days…
101Anonymous2026/08/24(月) 13:13:41.70ID:91HsHl1L0
>>99
With AI manga, the art itself looks good since it's AI-made, but it comes off unnatural
because the creator has no knowledge of manga storytelling technique.

That's the common pattern right now.
So truly zero knowledge doesn't really work.
Once you're able to make something good, you're no longer at zero knowledge anyway.
104Anonymous2026/08/24(月) 13:15:36.66ID:QoFLYwAer
>>101
We're in an era where you can build an app without writing a single line of code, and you're still going on about "programming" lol
112Anonymous2026/08/24(月) 13:20:03.17ID:9NEV7ycc0
>>101
Those manga storytelling conventions will get learned by AI too eventually.
105Anonymous2026/08/24(月) 13:16:39.03ID:91HsHl1L0
>>104
But you can't even give AI proper instructions unless you understand the general mechanics of how it works.
111Anonymous2026/08/24(月) 13:19:09.93ID:Z6/iOBci0
>>105
Old man, you're way behind the times.
You can make it without knowing any of that.
There are literally cases of a woman with zero experience beyond office admin work single-handedly pulling off a company's digital transformation.
115Anonymous2026/08/24(月) 13:22:28.96ID:91HsHl1L0
>>111
No way.
What you're describing is only possible in some wild future where AI senses human desires on its own and prepares things without even being asked.
121Anonymous2026/08/24(月) 13:25:58.53ID:91HsHl1L0
>>120
I don't get what you're saying.
122Anonymous2026/08/24(月) 13:26:21.25ID:yHJD7qp/0
>>121
115 Anonymous-Trying-Way-Too-Hard 2026/08/24 (Mon) 13:22:28.96 ID:91HsHl1L0
>>111
No way.
What you're describing is only possible in some wild future where AI senses human desires on its own and prepares things without even being asked.
119Anonymous2026/08/24(月) 13:24:45.31ID:91HsHl1L0
It's easier to give orders to an AI
than to a person, after all.
120Anonymous2026/08/24(月) 13:25:34.98ID:yHJD7qp/0
>>119
By your own logic, if you're the one placing the order, doesn't that mean it's not really the AI doing it? lol
123Anonymous2026/08/24(月) 13:26:59.19ID:NeRxXEmN0
>>119
I've hired illustrators advertising for work online a few times before — honestly they blow deadlines and don't even understand revision requests. It was a real headache.
132Anonymous2026/08/24(月) 13:33:16.39ID:0L2uil3Qa
If you just say upfront that it's an AI-generated illustration book, nothing happens.
It's only the idiots faking hand-drawn art who are getting exposed.

You could avoid all the risk just by labeling it properly, but for some reason they don't and get flamed instead — honestly, there's no word for that but stupid.
135Anonymous2026/08/24(月) 13:35:46.49ID:8CmUJM0O0
>>132
Isn't it kind of crazy to say you should have to spell that out just to appease a handful of unhinged people?
140Anonymous2026/08/24(月) 13:36:36.21ID:aZ+XthHE0
>>132
There's probably some kind of admiration for people who can actually draw by hand.
161Anonymous2026/08/24(月) 13:50:13.66ID:Yr9zBGmlr
Publishers need illustrators and animators,
but they don't need "AI masters" (a mocking term for people who just prompt AI instead of creating).
164Anonymous2026/08/24(月) 13:52:11.05ID:91HsHl1L0
>>161
In the future, won't the people with that kind of knowledge be the ones in demand?
171Anonymous2026/08/24(月) 13:55:31.62ID:Qcw2xS5a0
>>164
If you mean knowing how to write effective, efficient prompts,
that skill will become unnecessary too once AI advances further.
181Anonymous2026/08/24(月) 14:03:56.22ID:Qcw2xS5a0
>>177
No, checking work and catching mistakes is exactly the kind of thing AI is good at.

Going back to >>164:
> "In the future, won't the people with that kind of knowledge be the ones in demand?"
If anything, that's a skill in demand only right now — the kind of role that AI itself will replace down the line.
172Anonymous2026/08/24(月) 13:56:35.39ID:91HsHl1L0
>>171
Using AI is fine, but human error from people who can't use it properly is happening everywhere right now.
174Anonymous2026/08/24(月) 13:59:07.34ID:Qcw2xS5a0
>>172
That's because people are trying to use an unfinished tool out in the field lol

Is this the final form of AI? No, right?
I'm not saying transitional-period knowledge is worthless, but it's not something to cling to forever either.
176Anonymous2026/08/24(月) 14:00:33.50ID:IFxbnbCe0
>>174
Training data has basically run dry already, so this is close to the final form.
177Anonymous2026/08/24(月) 14:01:23.28ID:91HsHl1L0
>>174
No, the AI itself is doing its job fine — it's human error, sloppy usage and careless checking, that's the real problem.

*This article is compiled and summarized from the 5ch (Hardware/Industry (Geha)) thread “[Sad News] AI-Generated Books Were Mixed In at Comiket 😡 ← Why Is This Even Bad? 🥺 [30k Likes].”

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